River Conditions
Illustrated map of Mississippi River

River stage

Genoa, Mississippi River

River level
620.61 ft
Status
Below flood stage
Action stage
625.20 ft
Flood stage
631.00 ft
Record crest
638.40 ft

Last reported 2026-10-13 | NWS GENW3

Record crest
638.40 ft
Flood stage
631.00 ft
Moderate flood
634.00 ft
Major flood
636.00 ft
Crest date
1965-04-22

In brief

The Mississippi River at Genoa, WI read 620.61 ft on Oct 13, 2026, 4.59 ft below action stage.

Source: National Weather Service gauge GENW3

Stage threshold profile

Action stage 625.20 ftMinor flooding 631.00 ftModerate flooding 634.00 ftMajor flooding 636.00 ft CURRENT 620.61 ft

Highest crests on record

RankCrestDate
1 638.40 ft 1965-04-22
2 636.45 ft 1997-04-12
3 636.21 ft 2001-04-18
4 635.72 ft 2023-04-27
5 635.24 ft 1969-04-20
6 634.52 ft 1952-04-20
7 634.20 ft 2024-07-05
8 633.94 ft 1993-06-26

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 625.20 ft

    Army Road likely closes near Albin, Iowa impacting the public access.

  2. 631.50 ft

    Blackhawk Park south of Genoa is flooded.

  3. 636.00 ft

    Lock and dam 8 is closed to navigation.

  4. 638.40 ft

    Water levels reach the flood of record.

  5. 639.00 ft

    Water begins to flow over the lock walls at Dam 8.

  6. 639.50 ft

    Water begins to go over the protective earthen dikes.

Written by the local National Weather Service forecast office for this exact gauge.

Trout stocking on the Mississippi River

Wisconsin DNR stocked the Mississippi River 4 times in 2025, 6,499 fish in total. BLUEGILL and BLACK CRAPPIE and YELLOW PERCH and FATHEAD MINNOW at ADULT.

SpeciesFish SizeWhen
BLUEGILL 100 ADULT None
BLACK CRAPPIE 49 ADULT None
YELLOW PERCH 100 ADULT None
FATHEAD MINNOW 6,250 ADULT None

Wisconsin DNR lists a week or a month rather than a date, and counts fish as an estimate. Full Wisconsin stocking schedule →

Frequently asked questions

Is the Mississippi River flooding at Genoa?

No. The Mississippi River at Genoa is at 620.61 ft, 4.59 ft below action stage.

What is the flood stage at Genoa?

The National Weather Service sets action stage 625.2 ft, minor flooding 631 ft, moderate flooding 634 ft and major flooding 636 ft.

What is the highest the Mississippi River has been at Genoa?

The highest crest on record is 638.4 ft, on 1965-04-22.

Stage and flood information from the NOAA National Weather Service (gauge GENW3). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.